ARSENIC BASE OR SELENIUM OR TELLURIUM BASE ALLOY CONTAININGMETAL:
(under the class definition) Alloy, or metallic composition containing over 50 percent arsenic by weight, or an alloy under the class definition which is so named in the patent, which contains over 50 percent selenium, or 50 percent tellurium by weight and which further contains at least one element which is a metal under the definition of this class.
SEE OR SEARCH CLASS
430, Radiation Imagery Chemistry: Process, Composition, or Product Thereoft,
85+, for a selenium base alloy claimed, or solely disclosed as having utility as an image forming medium in electrical photography, e.g., xerography.
